Nairobi County

Capital City

County Headquarters: Nairobi City Hall


Approximately 6.5 Million People.


Nairobi is a cosmopolitan County with all tribes of Kenya present.



The economic activity of Nairobi county is Industrialization and financial hub for the country


The current governor is Mike Sonko and his deputy Polycarp Igathe

Senator is Johnston Sakaja

Women Representative is Esther Passaris

Nairobi County Constituencies

It Consists of 17 Constituencies


  • Embakasi East
  • Embakasi West
  • Embakasi North
  • Embakasi South
  • Embakasi Central
  • Westlands
  • Dagoretti North
  • Dagoretti South
  • Langata
  • Kibra
  • Roysambu
  • Kasarani
  • Ruaraka
  • Makadara
  • Kamukunji
  • Starehe
  • Mathare


Nairobi is one of the 47 counties in Kenya. It was founded in 2013 on the same boundaries as Nairobi province, after Kenya’s 8 provinces were subdivided into 47 counties. It however dates back to 1899, when it was founded by the colonial authorities in British East Arica as a rail depot on the Uganda railway. Nairobi quickly grew to replace Mombasa as the capital of Kenya in 1907.

The name Nairobi comes from the maasai phrase Enkare Nairobi, (cool water). The city is popularly referred to as the green city in the sun. This is because of its climate. The city has an elevation of 1,795metres (5,889ft) above sea level.


Nairobi has an estimated population of 4,397,073 people based on the 2019 census. The inhabitants live within 696km squared, (269sq mi). The city’s growth rate is of over 4% annually, primarily because of the high birth rates and immigrants that come to Nairobi seeking employment opportunities.


By mid twentieth century, many foreigners settled in Nairobi from other parts of the British Empire, primarily India and parts of (present-day) Pakistan. They were workers at the Kampala-Mombasa railway, settling in Nairobi after its completion. Merchants from Gujarat also settled in the city. Nairobi also has established communities from Somalia and Sudan. Other Kenyan communities also comprise of Nairobi’s population. Nairobi is thought or assumed to be the city of opportunities in Kenya. It is therefore the most populous county in Kenya. Many Kenyans live in Nairobi in search such of the opportunities. The main languages in Nairobi are English and Swahili. English is the official language and Swahili is the national language. This languages are used due to the diversity of the counties dwellers.


Nairobi generates about 60% of the nation’s wealth. It is home to thousands of Kenyan businesses and over 100 major international companies and organizations, including the United Nations Environment Program. The Nairobi Securities Exchange is one of the largest in Africa and the second oldest exchange in the continent. It is Africa’s fourth-largest exchange it terms of trading volume, capable of making 10million trades in a day. The county boast of quite a number of manufacturing companies, dealing in goods like, clothing, textiles, processed foods etc. several foreign companies have factories based in and around the city such as Good Year, General Motors, Coca cola. Nairobi has a large tourist industry, being both a tourist destination and a transport hub. It has the world’s only game reserve in a large city.


The governor for Nairobi county is Mbuvi Gideon kioko, alias Mike Sonko, Swahili slung for rich man, (“sonko”)

Mike Sonko is deputized by Polycarp Igathe.

The Nairobi women representative is Esther Muthoni Passaris.

The Nairobi county headquarters are at city hall.